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(No Model.)

L. J. RICE. HOSE COUPLING N0. 418,225. Patented-Dec. 31 1889.

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- UNITED STATES PATENT OFFICE.

LEIVIS J. RICE, OF INDIANAPOLIS, INDIANA.

HOSE-COUPLING.

SPECIFICATION forming part of Letters Patent No. 418,225, dated. December 31, 1889.

7 Application filed September 23, 1889. Serial No. 324,785. (No model.)

To all whom, it may concern:

Be it known that I, LEWIS J. RICE, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented a newand useful Improvement in Hose-Couplings, of which the following is a specification.

My invention relates to animprovement in hose-couplings.

The object of my improvement isto provide means for quickly securing the two coupling-sections together and for packing the joint between them, all as hereinafter fully described.

The accompanying drawings illustrate my invention. a

Figure 1 represents a side elevation of the male portion of the coupling and itshosesection disconnected. Fig. 2 represents a central longitudinal section of the same after the hose has been connected to the coupling. Fig. 3 represents a central longitudinal section of the female portion of the coupling having its hose connected thereto. Fig. at represents an end elevation of the male portion of the coupling. Fig. 5 represents an end elevation of the female portion of the coupling. Fig. 6 represents a transverse sec tion of the female portion of the coupling at a, Fig. 3. Fig. 7 representsacentral longitudinal section of the entire coupling.

A is the male portion of the coupling, and B is the female portion.

and D are the two sections of hose to be coupled. Coupling A is of suitable size at one end I) to fit the interior of the hose 0.

E is an annular flange projecting outwardly from A and sorew-threaded onits outer edge. One face of flange E is recessed at fto re ceive the end of the hose C. The outer edge of recess f is tapered inward at g to receive the edge of a thin open ring G, which embraces the exteriorof the hose and has opp0- sitely-tapered edges 7L and 2'. Ring G is cut so that its ends overlap, as at j, and thus permit the expansion or contraction of the ring.

K is a short sleeve threaded interiorly and adapted to slip over ring G and screw onto flange E, and having an interior tapered sur-- face Z, adapted to receive the outer tapered edge of ring G.

The end I) of the coupling projects into the hose, which is securely clamped to the coupling by screwing sleeve K onto flange E, and thus contracting ring G by bringing its edges against the inclined surfaces 9 and Z. The other face of flange E forms a shoulder m, and that end of the coupling is provided at its outer end with two series of short radial projections n and 0, arranged at regular intervals in two lines around the periphery of the coupling. Projectionso are only about onehalfthe widthof projectionsn, and arranged opposite the centers of n and at the extremeend of the coupling, there being a narrow space 19 between the two projections.

The female portion B of the coupling is provided at one end with a tubular portion r, adapted to fit the interior of hose D, which is secured thereto, by means of a ring G, sleeve K, and flange E, in exactly the same manner that hose 0 is secured to coupling A. The other end of coupling B consists of an enlarged tubular portion of sufficient internal diameter to receive the projections 01. and 0 of the coupling A, and an outer sleeve V, and it is provided with two series of inwardlyprojecting annular ribs and 10, arranged in two lines around the interior of the couplin The spaces between ribs t are sufficient to allow the free passage of the projections nof coupling A, and the spaces between ribs a are sufficient to allow the passage of the projections 0 of the same coupling, the arrangement being such that the spaces between ribs to are twice as many as those between ribs 7., and are opposite ribs 25, and also opposite the spaces between them. The longitudinal distance between ribs 25 and a is such that when the parts A and B are coupled together the inner sides of projections 72 are against the inner sides of ribs 25, as in Fig. 7, and the proj ections 0 of coupling A will be in line with and between the ribs to of the coupling B.

The outside of portion 8 of coupling B is provided with an enlarged screw-threaded portion 10, adapted to receive the interiorlythreaded shell V, there being an annular space 00 between the remaining portion of s and the interior of shell V. The outer end of shell V is provided with an inwardly-project.- ing flange y, which serves to retain an annular packing-ring z and an annular washer 1, which are normally forced outward by a spiral spring 2, arranged in space 00.

The operation of my device is as follows: The couplings A and 13 having been secured to their respective hosesections by means of rings G and sleeves K, before described, coupling A, being turned so that its projections at and 0 are opposite the spaces between the ribs tof coupling B, is easily insert-ed into B until shoulder m of coupling A rests against the outer face of packing-ring z. The couplings are then forced together longitudinally and at the same time turned in either direction, the projections 0 engaging the inner iiiclined surfaces of ribs it, thus compressing spring 2 until the projections 0 of coupling A pass inward beyond the ribs u of coupling B. When the projections 0 come opposite the next spaces between the ribs to, then spring 2, pressing outward against washer 1, packing-ring z, and shoulder m, forces coupling A outward until its projections 0 are thus brought into the spaces between ribs to, in line therewith, and opposite ribs 25. The two couplings in this position are securely locked together and cann ot be turned or separated until again forced together longitudinally.

When the hose is filled with water, the pressure of the water against washer 1 and packing-ring z operates to force the packing-ring against shoulder m, and thus seals the joint between the two coupling-sections, and also prevents the longitudinal movement of one section upon the other, and consequent uncoupling.

/ I claim as my invention 1. In a hose-coupling, the combination of the male couplinghaving shoulder m, the temale coupling adapted to interlock therewith and having shell V and flange 'y, and packing-ring z, inclosed in said shell andarranged to engage said flange y and shoulder on, whereby the two couplings, when locked together, are prevented by the water-pressure from unlocking and the joint between them is sealed, as set forth.

2. In a hose-coupling, the combination of the coupling A, adapted to be secured to a section of hose and having a tubular portion provided with two series of exterior radial projections n and 0, arranged in pairs, the coupling B, adapted to be'secured'to a section of hose and haviiigatubular portion adapted to receive the tubular portion of coupling A, and provided with the two series of interior ribs 2? and u, arranged and adapted to interlock with the projections n and 0, in the manner shown and described.

3. In a hose-coupling, the coupling A, adapted to be secured to asection of hose and having a shoulder m, and a tubular portion provided with two series of exterior radial projections n and 0, arranged in pairs, the coupling B, adapted to be secured to a section of hose and having a tubular portion provided with the two series of interior ribs 25 and u, arranged and adapted to interlock with the projections n and o of coupling A, in the manner shown and described, the sleeveV, packing-ring z, washer 1, and spring 2, all combined and arranged to co-operate substantially as and for the purpose specified.

LEIV IS J. RICE.

Vitnesses:

H. P. IIOOD, V. M. Hoon. 

